/**
* 参数处理
* @param {*} params  参数
*/
export function tansParams(params: any) {
  let result = ''
  for (const propName of Object.keys(params)) {
    const value = params[propName];
    var part = encodeURIComponent(propName) + "=";
    if (value !== null && typeof (value) !== "undefined") {
      if (typeof value === 'object') {
        for (const key of Object.keys(value)) {
          if (value[key] !== null && typeof (value[key]) !== 'undefined') {
            let params = propName + '[' + key + ']';
            var subPart = encodeURIComponent(params) + "=";
            result += subPart + encodeURIComponent(value[key]) + "&";
          }
        }
      } else {
        result += part + encodeURIComponent(value) + "&";
      }
    }
  }
  return result
}
/**
 * 取数组某key 成新的数组
 * @param array 数组
 * @param key 键
 * @param distinct 是否去重
 * @returns
 */
export const arrayNewKey = (array: any, key: string, distinct = false) => {
  const result = array.map((item: any) => item[key]);
  if (distinct) {
    const unique: any[] = [];
    result.forEach((value: any) => {
      if (!unique.includes(value)) {
        unique.push(value);
      }
    });
    return unique;
  }
  return result;
}
